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- Question
In sewage having fully oxidised organic matter, the nitrogen exists in the form of
Options- A. nitrites
- B. nitrates
- C. free ammonia
- D. aluminoid nitrogen
- E. none of these.
- Correct Answer
- nitrates
- 1. The drop man holes are generally provided in sewers for
Options- A. industrial areas
- B. large town ships
- C. hilly town ships
- D. cities in plains. Discuss
- 2. For solving network problems of pipes, necessary condition is
Options- A. continuity equation
- B. energy equation
- C. Darcy-Weisbach equation
- D. all the above. Discuss
- 3. Pick up the correct statement from the following :
Options- A. Dimensional homogeneity means the dimensions of each term in an equation on both sides are equal
- B. Dimensionally homogeneous equations are independent of the system of units
- C. In dimensionally homogeneous equation, the powers of fundamental dimensions on either side of the equation are identical
- D. All the above. Discuss
- 4. For an irrotational flow, the equation
is given by
Options- A. Cauchy-Riemann
- B. Reynold
- C. Laplaces
- D. Bernoulli. Discuss
- 5. Hydraulic radius is equal to
Options- A. area divided by the square of wetted perimeter
- B. area divided by wetted perimeter
- C. wetted perimeter divided by area
- D. square root of the area. Discuss
- 6. For trunk and out-fall, the type of sewers generally used, is
Options- A. standard egg shaped
- B. circular shaped
- C. horse shoe shaped
- D. parabolic shaped
- E. semi-elliptical shaped. Discuss
- 7. The amount of oxygen consumed by the aerobic bacterias which cause the aerobic biological decomposition of sewage, is known
Options- A. Bio-Chemical Oxygen Demand (B.O.D.)
- B. Dissolved Oxygen (D.O.)
- C. Chemical Oxygen Demand (C.O.D.)
- D. None of these. Discuss
- 8. Dry water flow in a combined sewer, is
Options- A. industrial sewage
- B. domestic sewage
- C. storm water
- D. inclusive of domestic and industrial sewage but excludes storm water. Discuss
- 9. Pick up the correct statement from the following :
Options- A. Turbidity is more in strong sewage
- B. The black colour indicates septic sewage
- C. The fresh sewage is practically odourless
- D. The sewage omits offensive odours after four hours
- E. All the above. Discuss
- 10. In sewers the gas generally found, is
Options- A. Hydrogen sulphide (H2S)
- B. Carbon dioxide (CO2)
- C. Methane (CH4)
- D. Petrol vapours
- E. All the above. Discuss
Waste Water Engineering problems
Search Results
Correct Answer: hilly town ships
Correct Answer: all the above.
Correct Answer: All the above.
Correct Answer: Laplaces
Correct Answer: area divided by wetted perimeter
Correct Answer: horse shoe shaped
Correct Answer: Dissolved Oxygen (D.O.)
Correct Answer: inclusive of domestic and industrial sewage but excludes storm water.
Correct Answer: All the above.
Correct Answer: All the above.
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